Jean E Wallace1, Lori R Kogan2, Eloise C J Carr3, Peter W Hellyer2. 1. Department of Sociology, University of Calgary, 2500 University Drive NW, Calgary, AB, T2N 1 N4, Canada. jwallace@ucalgary.ca. 2. College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, 80523, USA. 3. Faculty of Nursing, University of Calgary, 2500 University Dr NW, Calgary, AB, T2N 1 N4, Canada.